Finding the Fourth Proportional to 1,107,883.72, 1,660,639.74 and 791,381.08
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Solution
The fourth proportional to 1,107,883.72, 1,660,639.74 and 791,381.08 is: 1,186,224.55
Step by Step Solution
- Step 1: Write the proportion equation
1,107,883.72 : 1,660,639.74 = 791,381.08 : x - Step 2: Convert to fraction form
1,107,883.72/1,660,639.74 = 791,381.08/x - Step 3: Cross multiply
1,107,883.72x = 1,660,639.74 × 791,381.08 - Step 4: Simplify right side
1,107,883.72x = 1,314,198,870,932.12 - Step 5: Solve for x
x = 1,314,198,870,932.12/1,107,883.72 - Step 6: Final answer
x = 1,186,224.55
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.